private Diagnostic AnalyzeSyntax(
SemanticModel semanticModel, CodeStyleOption2 <ExpressionBodyPreference> option,
LambdaExpressionSyntax declaration, CancellationToken cancellationToken)
{
if (CanOfferUseExpressionBody(option.Value, declaration, declaration.GetLanguageVersion()))
{
var location = GetDiagnosticLocation(declaration);
var additionalLocations = ImmutableArray.Create(declaration.GetLocation());
var properties = ImmutableDictionary <string, string> .Empty;
return(DiagnosticHelper.Create(
CreateDescriptorWithId(UseExpressionBodyTitle, UseExpressionBodyTitle),
location, option.Notification.Severity, additionalLocations, properties));
}
if (CanOfferUseBlockBody(semanticModel, option.Value, declaration, cancellationToken))
{
// They have an expression body. Create a diagnostic to convert it to a block
// if they don't want expression bodies for this member.
var location = GetDiagnosticLocation(declaration);
var properties = ImmutableDictionary <string, string> .Empty;
var additionalLocations = ImmutableArray.Create(declaration.GetLocation());
return(DiagnosticHelper.Create(
CreateDescriptorWithId(UseBlockBodyTitle, UseBlockBodyTitle),
location, option.Notification.Severity, additionalLocations, properties));
}
return(null);
}
private static LambdaExpressionSyntax UpdateWorker(
SemanticModel semanticModel, LambdaExpressionSyntax originalDeclaration, LambdaExpressionSyntax currentDeclaration)
{
var expressionBody = GetBodyAsExpression(currentDeclaration);
return(expressionBody == null
? WithExpressionBody(currentDeclaration, originalDeclaration.GetLanguageVersion())
: WithBlockBody(semanticModel, originalDeclaration, currentDeclaration));
}
